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You Can Help Protect Our Rivers

Colorado Trout Unlimited has over 10,000 members representing 23 chapters across the state. They act as advocates and conservators for their home rivers, conducting projects in stream restoration, water quality protection, and more. The on-the-ground, grassroots efforts of our members and volunteers are what sets CTU apart from most other conservation groups.

Legislative Advocacy

Responsible Use

Though perhaps best known for its role in defeating the Two Forks Dam proposal in 1980, Colorado Trout Unlimited’s influence can be seen on hundreds of miles of rivers ranging from Durango to Denver to Fort Collins.

Southern Basins

In the Field

Our blog serves as the news and information hub for the Colorado Trout Unlimited community. The contributions are from and for people with National Trout Unlimited, Colorado Trout Unlimited, and local chapters of Colorado Trout Unlimited. We encourage all members to read and post often!

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Colorado Trout Unlimited is a 501(c)(3) non-profit and the Colorado afilliate of Trout Unlimited recognized by Charity Navigator as a four-star charity. Your donations are 100% tax-deductible. Thank you for your generous support!

The Colorado Water Quality Control Commission is considering a state policy change that would weaken the temperature standards that are supposed to protect trout streams throughout the state. The proposed changes brought forth by the Water Quality Control Division (WQCD) would put many trout fisheries at risk including during spawning periods.

The changes proposed by the WQCD will increase the “standard” temperatures allowed for around 1/3 of Colorado’s trout streams, based solely on their elevation, allowing the fish’ stress levels to increase and ultimately cause problems for their feeding, growing and movement. According to the EPA, the proposed standards for lower elevation coldwater streams (22 C) are actually lethal for trout exposed to them over seven days.Higher temperature standards also would be allowed on all streams during the “shoulder” months of March and April and October and November – which overlaps with Rainbow and Brown spawning seasons when the fish are more sensitive and susceptible to changes in their environment, and where their successful natural reproduction can be harmed. These shoulder standards are also higher (65F) than what is needed to support successful trout spawning (59-61F).

Trout Unlimited is working to ensure that the temperatures of Colorado’s streams remain at a healthy level for trout to survive. CTU has put together an Action Alert asking members and supporters to reach out to the WQCC and show that these changes will be harmful to our state’s trout and fishing opportunity!

Join CTU

Colorado TU has 10,000+ members in 24 chapters across the state. They are the lifeblood of the organization, the reason we can say that Colorado TU is the state’s largest grassroots conservation organization.